It's a little unclear to me about that, it is what I thought at first. But it ap...

		georgyo on Jan 7, 2023 \| parent \| context \| favorite \| on: Why was Roman concrete so durable? It's a little unclear to me about that, it is what I thought at first. But it appears that quicklime is not stable at ambient temperatures and recombines with CO2 to make Calcium Carbonate; which is how the self healing works.